The motorcyclist was injured in an incident during the first lap of Thursday's Lightweight event.He was treated at the scene by race doctors before being taken to hospital by ambulance with a police escort.On Monday, the race organisers released a statement to update fans on Favre's condition and revealed that he had sustained spinal injuries."We thank you for continuing to respect the privacy of Pierre and his family," they added.The update also confirmed that other riders injured during the course of the Ulster GP are on the mend, with Michael Sweeney already released from hospital.@Dankneen55 What room are you in, I'm thinking about trying a walk tomorrow to visit all the UGP wounded, #boredtotears— keith amor (@keithamor) August 18, 2014"Danny Webb, Dean Harrison, Dan Kneen, and Keith Amor will hopefully all be discharged from hospital this week," the organisers said.Kneen had taken to Twitter to share his delight at picking up his first Ulster GP win in the Superstocks, but that turned to disappointment when he broke his foot just 30 minutes later.First international win @UlsterGrandPrix Today I'm made up with it, thanks to the team pic.twitter.com/TnQbewjgCZ— Dan Kneen (@Dankneen55) August 16, 2014Unfortunately half hour later I got caught up in a crash and now have a broken foot :( op tomo pic.twitter.com/fOhxXBxdOR— Dan Kneen (@Dankneen55) August 16, 2014Meanwhile, flying Kiwi Bruce Anstey added two more wins to his career haul, taking victory in both the Superbike and Supersport classes.Ivan Linton topped the Supertwins, while there was victory for James Cowton in the Lightweight class and for Daley Mathison in the Ulster-Lightweights.Meanwhile, North West 200 organisers have received a message from French rider Franck Petricola who was seriously injured during practices for the event held around the North Coast back in May."I want really to thank all the NW staff (marshal, doctor, organiser and all) for your work before and after my crash," the motorcyclist said.The NW200 team responded, saying: "Everyone associated with the race is delighted to hear from Franck and we would be delighted to welcome him back to the North West 200 in future."